Planet Earth Science 7

Question 1

Compared to the other layers of the Earth, the crust, at atemperature of 5 degrees C is ..

Accepted Answer

thinnerthan all the layers

Question 2

Howis a glacier formed?

Accepted Answer

from the build-up and compaction of snow, over time

Question 3

Tracks, burrows, andother evidence of animal behaviour are known as

Accepted Answer

trace fossils

Question 4

Testing the effects of water with different pH's on various rock samples. He is testing:

Accepted Answer

chemical weathering

Question 5

What is the outer layer of the earth called?

Accepted Answer

Crust

Question 6

Pouring water into a crack in a rock sample and freezing it, the crack go wider. This is:

Accepted Answer

mechanical weathering

Question 7

What type of mineralidentification is: breaks along smooth,flat planes

Accepted Answer

cleavage

Question 8

What type of mineralidentification is: the colored powderedform of the mineral

Accepted Answer

streak

Question 9

What mineral identification property describes this: reflects light fromits surface

Accepted Answer

lustre

Question 10

Layered rock is called:

Accepted Answer

sedimentary

Question 11

Earthquakes happen

Accepted Answer

Suddenly

Question 12

The diagram below shows that sedimentary rocks are changed to sedimentby

Accepted Answer

weathering

Question 13

Rock that is melted forms which type of rock:

Accepted Answer

igneous

Question 14

The area of the Pacific Ocean that has frequent earthquakesand volcanic eruptions is known as:

Accepted Answer

the Pacific Ring of Fire

Question 15

Glacial erosion happens

Accepted Answer

Gradually

Question 16

which layer is the youngest?

Accepted Answer

granite

Question 17

When oceanic andcontinental plates collide, one plate is forced under the other. This is a:

Accepted Answer

subduction zone

Question 18

Landslides happen

Accepted Answer

Suddenly

Question 19

What type of mineralidentification describes the mineral’s scratchability

Accepted Answer

hardness

Question 20

Which of the layers of the earth are solid?

Accepted Answer

inner core and crust

Question 21

Mountains form

Accepted Answer

Gradually

Question 22

There is a 'Big Rock' in Okotoks. This rock was leftbehind by a receding glacier. It is called

Accepted Answer

an erratic

Question 23

A treegrows in a rock. The roots of the tree go into the cracksand split the rock. This is:

Accepted Answer

biological weathering

Question 24

Earthquakes happen:

Accepted Answer

Suddenly

Question 25

The rock cycle indicates that each type of rock can do all of thefollowing except

Accepted Answer

permanently remain the same type of rock

Question 26

Volcanic Eruptions happen

Accepted Answer

Suddenly

Question 27

How do young mountainranges compare to old mountain ranges?

Accepted Answer

Younger mountains appear more jagged, and taller

Question 28

The presence of the same ______ on several continents supports the idea of continentaldrift.

Accepted Answer

fossils and rocks

Question 29

Igneous rock, can beintrusive rock and extrusive rock. These rocks are all formed from ...

Accepted Answer

magma or lava

Question 30

On a river bank are layers of different soil types. These visible layers are called:

Accepted Answer

stratification

Question 31

Which type of rock is an intrusive igneous rock?

Accepted Answer

granite

Question 32

Which layer is the oldest

Accepted Answer

shale

Question 33

Erosion usually happens

Accepted Answer

Gradually

Question 34

An important feature of the rock cycle is that it ...

Accepted Answer

doesnot have a set order

Question 35

What is the inner most layer of the earth called?

Accepted Answer

inner core

Question 36

Metamorphic rock is rock that has changed form. It isusually formed ...

Accepted Answer

with heat and pressure belowthe earth's surface

Planet Earth Science 7

Questions 36

Planet Earth Science 7

Questions 36